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Finding the Third Proportional to 25,563 and 39,485

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Solution

The third proportional to 25,563 and 39,485 is: 60,989.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,563 : 39,485 = 39,485 : x
  2. Step 2: Convert to fraction form
    25,563/39,485 = 39,485/x
  3. Step 3: Cross multiply
    25,563x = 39,485 × 39,485
  4. Step 4: Simplify right side
    25,563x = 1,559,065,225
  5. Step 5: Solve for x
    x = 1,559,065,225/25,563
  6. Step 6: Final answer
    x = 60,989.13

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.